BERKELEY, Calif., Oct. 31, 2012 (GLOBE NEWSWIRE) -- XOMA Corporation (Nasdaq:XOMA), a leader in the discovery and development of antibody therapeutics, announced the Company will host a webcast conference call on Wednesday, November 7, 2012 at 4:30 p.m. Eastern time to discuss third quarter 2012 financial results and its plans to further expand the Company’s clinical pipeline.